A204134 - cp's OEIS frontend

A204134 Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j)=(2i-1 if i=j and 1 otherwise) for i>=1 and j>=1 (as in A204131).

n	a(n)
1	1
2	-1
3	1
4	-3
5	1
6	3
7	-11
8	7
9	-1
10	21
11	-83
12	64
13	-15
14	1
15	315
16	-1287
17	1074
18	-300
19	31
20	-1
21	9765
22	-40527
23	35067
24	-10570
25	1287
26	-63
27	1
28	615195
29	-2572731
30	2265129
31	-707539
32	92653
33	-5313
34	127
35	-1
36	78129765
37	-327967227
38	291222882
39	-92551369

[1, -1, 1, -3, 1, 3, -11, 7, -1, 21, -83, 64, -15, 1, 315, -1287, 1074, -300, 31, -1, 9765, -40527, 35067, -10570, 1287, -63, 1, 615195, -2572731, 2265129, -707539, 92653, -5313, 127, -1, 78129765, -327967227, 291222882, -92551369]

cp's OEIS Frontend

A204134 Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j)=(2i-1 if i=j and 1 otherwise) for i>=1 and j>=1 (as in A204131).

Table of values

List of values